Does it really work? That's anybody's guess. But given all the health scares that routinely make headlines, the "Cell Sensor" electromagnetic field detector will likely be a popular item for those who think of their mobile phones as a bodily appendage.

The gaussmeter--which, by the way, features a distinctly unscientific-looking logo--supposedly sounds an alarm when it detects certain emission levels from phones, computer monitors, TVs and the like, according to Red Ferret. Some of the skeptics at Crave have expressed their doubts, but we suspect that a good number of people will spring $40 even if there's a minuscule chance of saving their lives (or other things.)